CN105743816A - Link aggregation method and device - Google Patents
Link aggregation method and device Download PDFInfo
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- CN105743816A CN105743816A CN201410756739.5A CN201410756739A CN105743816A CN 105743816 A CN105743816 A CN 105743816A CN 201410756739 A CN201410756739 A CN 201410756739A CN 105743816 A CN105743816 A CN 105743816A
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Abstract
The invention discloses a link aggregation method and a device. The method comprises following steps: a cross-device link aggregation group is formed by aggregating N links which are connected with a first network device and multiple second network devices; N detection messages are sent to the multiple second network devices through the N links so that the multiple second network devices send first messages to the first network device through the N links and the first network device receives the N first messages sent by the multiple second network devices, wherein each of the first messages comprises MAC address and interface information of the second network device sending the first message; a single device link aggregation group is formed by aggregating links between the first network device and the second network devices according to the second network device MAC address and interface information of each of the first messages. By means of one embodiment of the invention, direct links between network devices and interface occupation can be reduced and traffic load balancing among multiple network devices can be effectively realized.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of link aggregation method and device.
Background technology
It is (English: multi-chassislinkaggregation) to be polymerized with equipment uplink that link aggregation includes striding equipment link aggregation, wherein, striding equipment link aggregation refers to upstream device (can be server) by (English: constituentports) on heterogeneous networks equipment, the link aggregation group of termination is (English: LinkAggregationGroup by member port, it is called for short: LAG) be linked in the group system being made up of the multiple stage network equipment, thus adding the network insertion bandwidth of upstream device.As shown in Figure 1, networking schematic diagram for striding equipment link aggregation, equipment 1 and equipment 2 are the member device of group system, the link 2 between link 1 and server and equipment 2 between server and equipment 1 forms a LAG, the link of directly interconnection can be there is, it is also possible to be absent from the link of directly interconnection between equipment 1 and equipment 2.
Prior art one, as shown in Figure 2, it is (English: multi-chassislinkaggregation that the second link between the first link and equipment 1 and equipment 3 between equipment 1 and equipment 2 constitutes striding equipment link aggregation group, it is called for short MC-LAG), when equipment 1 sends data stream, through Hash (English hash) computing, described data stream is sent to equipment 3 by the second link of connection equipment 1 in described MC-LAG and equipment 3, described stream compression is sent to equipment 2 again through the link between equipment 2 and equipment 3 by equipment 3, described stream compression is sent to server 1 by equipment 2 again.The realization of the program needs the link between increase equipment 2 and equipment 3, additionally takies equipment 2 and the physical port of equipment 3.
Prior art two, as shown in Figure 3A, the second link between the first link and equipment 1 and equipment 3 between equipment 1 and equipment 2 is each independent, do not form MC-LAG, when equipment 1 sends data stream to the upstream device 1 singly returned, described data stream can be routed directly to equipment 2, equipment 2 be forwarded to server 1.But, as shown in Figure 3 B, if needing the stream compression by equipment 1 to be dealt into the dual homed server 2 to equipment 2 and equipment 3, equipment 1 both can pass through equipment 2 and forward described data stream, equipment 3 can also be passed through and forward described data stream, but each independent between the first link and the second link, it does not have composition MC-LAG, therefore cannot ensure equipment 1 load balancing on first link and the second link when sending data stream to server 2.
Summary of the invention
The present invention provides a kind of link aggregation method and device.The direct connected link between the network equipment can be reduced and port takies, effectively realize the flow load balance between multiple network equipment.
First aspect present invention provides a kind of link aggregation method, including:
First network equipment becomes striding equipment link aggregation group by connecting described first network equipment respectively with the N bar link aggregation of multiple second network equipments；
Described first network equipment sends N number of probe messages by the plurality of second network equipment of described N bar chain road direction, so that the plurality of second network equipment sends the first message respectively through first network equipment described in described N bar chain road direction, each probe messages includes MAC Address and the port information of described first network equipment；
Described first network equipment receives N number of first message that the plurality of second network equipment sends, and each first message includes the MAC Address and the port information that send second network equipment of described first message；
Link aggregation between described first network equipment with each described second network equipment, according to the MAC Address of second network equipment in each first message and port information, is become one to set up standby link aggregation group by described first network equipment respectively；
Wherein, described N is the positive integer be more than or equal to 2.
In the first possible implementation of first aspect, described striding equipment link aggregation group is become to include connecting described first network equipment respectively with the N bar link aggregation of multiple second network equipments:
Described first network equipment determines that described first network equipment is for connecting N number of port of the plurality of second network equipment；
Described first network equipment obtains the configuration information of described N number of port；
The described N bar link aggregation being connected the plurality of second network equipment by described N number of port, according to described configuration information, is become described striding equipment link aggregation group by described first network equipment.
In the implementation that the second of first aspect is possible, described port information includes port and port speed, the described MAC Address according to second network equipment in each first message and port information, become one to set up standby link aggregation group the link aggregation between described first network equipment with each described second network equipment respectively and include:
MAC Address according to each described second network equipment and port information, it is determined that the port that port speed in each described second network equipment is identical；
Link corresponding for port identical for port speed in each described second network equipment is aggregated into one and sets up standby link aggregation group.
In conjunction with the first of first aspect and first aspect to the possible implementation of the second, in the third possible implementation of first aspect, the described MAC Address according to second network equipment in each first message and port information, after becoming one to set up standby link aggregation group the link aggregation between described first network equipment with each described second network equipment respectively, described method also includes:
Described first network equipment determines target second network equipment from the plurality of second network equipment, by the standby link aggregation group that sets up between described first network equipment and described target second network equipment, data stream is sent to described target second network equipment, so that described stream compression is dealt into purpose equipment by described target second network equipment.
The third possible implementation in conjunction with first aspect, in the 4th kind of possible implementation of first aspect, described from the plurality of second network equipment, determine target second network equipment, by the standby link aggregation group that sets up between described first network equipment and described target second network equipment, data stream is sent to described target second network equipment, so that before described stream compression is dealt into purpose equipment by described target second network equipment, described method also includes:
When receiving the second message that described purpose equipment sends, recording the forward-path of described second message, wherein, described second message includes the MAC Address of described purpose equipment；
Described first network equipment determines that target second network equipment specifically includes from the plurality of second network equipment: the described first network equipment forward-path according to described second message, determines described target second network equipment from the plurality of second network equipment.
Correspondingly, second aspect present invention provides a kind of link aggregation device, including:
First polymerized unit, for becoming striding equipment link aggregation group by connecting first network equipment respectively with the N bar link aggregation of multiple second network equipments；
Packet sending unit, for sending N number of probe messages by the plurality of second network equipment of described N bar chain road direction, so that the plurality of second network equipment sends the first message respectively through first network equipment described in described N bar chain road direction, each probe messages includes MAC Address and the port information of described first network equipment；
Message receives unit, and for receiving N number of first message that the plurality of second network equipment sends, each first message includes the MAC Address and the port information that send second network equipment of described first message；
Second polymerized unit, for the MAC Address according to second network equipment in each first message and port information, becomes one to set up standby link aggregation group the link aggregation between described first network equipment with each described second network equipment respectively；
Wherein, described N is the positive integer be more than or equal to 2.
In the first possible implementation of second aspect, described first polymerized unit specifically for:
Determine that described first network equipment is for connecting N number of port of the plurality of second network equipment；
Obtain the configuration information of described N number of port；And
According to described configuration information, the described N bar link aggregation being connected the plurality of second network equipment by described N number of port is become in described striding equipment link aggregation group.
In the implementation that the second of second aspect is possible, described port information includes port and port speed, described second polymerized unit specifically for:
MAC Address according to each described second network equipment and port information, it is determined that the port that port speed in each described second network equipment is identical；And
One is become to set up standby link aggregation group link aggregation corresponding for port identical for the port speed in each described second network equipment.
In conjunction with the first of second aspect and second aspect to the possible implementation of the second, in the third possible implementation of second aspect, described device also includes:
Data transmission blocks, for determining target second network equipment from the plurality of second network equipment, by the standby link aggregation group that sets up between described first network equipment and described target second network equipment, data stream is sent to described target second network equipment, so that described stream compression is dealt into purpose equipment by described target second network equipment.
In conjunction with the third possible implementation of second aspect, in the 4th kind of possible implementation of second aspect, described device also includes:
Logging modle, for when receiving the second message that described purpose equipment sends, recording the forward-path of described second message, wherein, described second message includes the MAC Address of described purpose equipment；
When determining target second network equipment from the plurality of second network equipment, described data transmission blocks, specifically for the forward-path according to described second message, determines described target second network equipment from the plurality of second network equipment.
In the present invention, first first network equipment become striding equipment link aggregation group by connecting described first network equipment respectively with the N bar link aggregation of multiple second network equipments；Then pass through the plurality of second network equipment of described N bar chain road direction and send N number of probe messages, so that the plurality of second network equipment sends the first message respectively through first network equipment described in described N bar chain road direction, each probe messages includes MAC Address and the port information of described first network equipment；Secondly receiving N number of first message that the plurality of second network equipment sends respectively, each first message includes the MAC Address and the port information that send second network equipment of described first message；Finally according to MAC Address and the port information of second network equipment in each first message, one is become to set up standby link aggregation group the link aggregation between described first network equipment with each described second network equipment respectively.Thus the direct connected link reduced between the plurality of second network equipment and port take, effectively realize the flow load balance between the plurality of second network equipment.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the networking schematic diagram of a kind of striding equipment link aggregation of prior art；
Fig. 2 is the schematic diagram of the forwarding data flow process under a kind of link aggregation mode of prior art；
Fig. 3 A be prior art another kind of link aggregation mode under the first schematic diagram of forwarding data flow process；
Fig. 3 B be prior art another kind of link aggregation mode under process second schematic diagram of forwarding data flow；
Fig. 4 is the flow chart of the first embodiment of a kind of link aggregation method that the present invention proposes；
Fig. 5 is the application scenarios schematic diagram of a kind of link aggregation method that the embodiment of the present invention provides；
Fig. 6 is the flow chart of the second embodiment of a kind of link aggregation method that the present invention proposes；
Fig. 7 is the structural representation of a kind of link aggregation device that the embodiment of the present invention proposes；
Fig. 8 is the structural representation of the another kind of link aggregation device that the embodiment of the present invention proposes.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to the flow chart that Fig. 4, Fig. 4 are the first embodiments of a kind of link aggregation method that the present invention proposes.As it can be seen, the method in the embodiment of the present invention includes:
S401, first network equipment becomes striding equipment link aggregation group by connecting described first network equipment respectively with the N bar link aggregation of multiple second network equipments.
In implementing, described first network equipment determines that described first network equipment is for connecting N number of port of the plurality of second network equipment, obtains the configuration information of described N number of port；Described first network equipment, according to described configuration information, becomes a striding equipment link aggregation group by connecting the plurality of second N bar link aggregation connecting the plurality of second network equipment by described N number of port.Wherein, described N is the positive integer be more than or equal to 2.
Such as: as it is shown in figure 5, described first network equipment is equipment 1, the plurality of second network equipment includes equipment 2 and equipment 3, purpose equipment can be upstream device 1, or upstream device 2, or upstream device 3.After equipment 1 discovering device 2 and equipment 3 are connected on equipment 1, it is determined that the N number of port (having illustrated 6 in Fig. 5) for connecting equipment 2 and equipment 3 of equipment 1.Then, equipment 1 obtains the configuration information of described 6 ports the configuration information according to described 6 ports, becomes striding equipment link aggregation group LAG1 by connecting equipment 2 by described 6 ports with 6 link aggregations of equipment 3.When downstream equipment 2 sends data stream to equipment 1, it is possible to described data flow point is fitted on the equipment 2 and equipment 3 that are polymerized, thus realizing load balancing.
S402, described first network equipment sends N number of probe messages by the plurality of second network equipment of described N bar chain road direction, so that the plurality of second network equipment sends the first message respectively through first network equipment described in described N bar chain road direction, described probe messages includes MAC Address and the port information of described first network equipment.
In implementing, after polymerization obtains described striding equipment link aggregation group, described first network equipment and the plurality of network equipment carry out the exchange of port information.Specifically, described first network equipment sends N number of probe messages to multiple second network equipments connected respectively by described N bar link.Probe messages in each of the links has identical MAC Address and different port informations, and the port information of described probe messages includes the information sending the port of this probe messages.Which so, receive second network equipment of described probe messages to be just able to know that and oneself be port by first network equipment and second network equipment connects.Wherein, described MAC Address can uniquely identify described first network equipment.The port information of each port can include the port-mark of described port, mode of operation (either simplex, duplex) and port speed etc..
Described probe messages sends first message by receiving the port of described probe messages to described first network equipment for making second network equipment receiving described probe messages.
S403, described first network equipment receives N number of first message that the plurality of second network equipment sends, and each first message includes the MAC Address and the port information that send second network equipment of described first message.
After the plurality of second network equipment receives N number of probe messages respectively through described N bar link, by receiving N number of port of described N number of probe messages, N number of first message is sent, the port information of MAC Address that each first message includes sending second network equipment of described first message and the port that sends described first message to described first network equipment.For Fig. 5, between equipment 1 and equipment 2 and equipment 3, have 6 links.After these 6 link aggregations are become a striding equipment link aggregation group by equipment 1, send 3 probe messages by the 3 of connection equipment 2 chain road direction equipment 2, send 3 probe messages by the 3 of connection equipment 3 chain road direction equipment 3.After equipment 2 and 3 receives probe messages, each probe messages is responded first message by receiving the port of described probe messages.The first message that equipment 2 sends includes the MAC Address of equipment 2 and the port information of the port sending described first message of equipment 2.The first message that equipment 3 sends includes the MAC Address of equipment 3 and the port information of the port sending described first message of equipment 3.
S404, the link aggregation between described first network equipment with each described second network equipment, according to the MAC Address of second network equipment in each first message and port information, is become one to set up standby link aggregation group by described first network equipment respectively.
In implementing, all link aggregations between described first network equipment with same second network equipment according to the MAC Address of second network equipment in each first message and port information, can be become one to set up standby link aggregation group by first network equipment.First network equipment can also according to the MAC Address of second network equipment in each first message and port information, it is determined that the port that port speed in each described second network equipment is identical；One is become to set up standby link aggregation group link aggregation corresponding for port identical for the port speed in each described second network equipment.Wherein, described link is the access path set up between the port of described first network equipment and the port of each described second network equipment.Link between described first network equipment and any one second network equipment can be one or more.
Standby link aggregation group is set up by a plurality of physical link corresponding for the port of same port speed is aggregated into one, so first network equipment is when distribution data stream, just can be averaged distribution by data stream between described multilink, the port avoiding port that port speed is high low with port speed has the same actual loading, has saved broadband resource.
Such as: equipment 1 can according to the MAC Address in the first message of equipment 2 transmission and port information, determine the port that equipment 2 middle port speed is identical, if equipment 2 exists 3 ports that port speed is identical, then 3 link aggregations that these 3 ports are set up with 3 ports of equipment 1 are become to set up standby link aggregation group LAG2, when equipment 1 sends data stream to equipment 2, it is possible to set up in standby link aggregation group 3 links between equipment 1 and equipment 2 are shared transmission data stream and makes described 3 links mutually back up.Equipment 1 can according to the MAC Address in the first message of equipment 3 transmission and port information, determine the port that equipment 3 middle port speed is identical, if equipment 3 exists 3 ports that port speed is identical, then 3 link aggregations that these 3 ports are set up with other 3 ports of equipment 1 are become to set up standby link aggregation group LAG3, when equipment 1 sends data stream to equipment 3, it is possible to set up in standby link aggregation group 3 links between equipment 1 and equipment 3 are shared transmission task and makes described 3 links mutually back up.
Additionally, when downstream equipment 1 sends data stream to equipment 1, it is possible to by LAG2, described data stream is sent to equipment 2, so that described stream compression is dealt into upstream device 1 by equipment 2；When downstream equipment 3 sends data stream to equipment 1, it is possible to by LAG3, described data stream is sent to equipment 3, so that described stream compression is dealt into upstream device 3 by equipment 2；When downstream equipment 2 sends data stream to equipment 1, it is possible to shared by data stream load on described LAG2 and LAG3, then described data stream is aggregated to upstream device 2 by equipment 2 and equipment 3.In the present embodiment, do not need between equipment 2 and equipment 3 to set up direct connected link, thus the direct connected link reduced between described equipment 2 and equipment 3 and port take.
It should be noted that above-mentioned multiple second network equipment is not limited to include equipment 2 as shown in Figure 5 and equipment 3, it is also possible to include the equipment of other quantity；3 links included as shown in Figure 5 it are not limited to, it is also possible to include the link of other quantity between first network equipment and each second network equipment.This link aggregation mode is possible not only to be applicable to Ethernet, goes for the network of other forms simultaneously, and described second network equipment can be the upstream devices such as switch, router and server.
In embodiments of the present invention, first first network equipment become striding equipment link aggregation group by connecting described first network equipment respectively with the N bar link aggregation of multiple second network equipments；Then pass through the plurality of second network equipment of described N bar chain road direction and send N number of probe messages, so that the plurality of second network equipment sends the first message respectively through first network equipment described in described N bar chain road direction, each probe messages includes MAC Address and the port information of described first network equipment；Secondly receiving N number of first message that the plurality of second network equipment sends respectively, each first message includes the MAC Address and the port information that send second network equipment of described first message；Finally according to MAC Address and the port information of second network equipment in each first message, one is become to set up standby link aggregation group the link aggregation between described first network equipment with each described second network equipment respectively.Thus the direct connected link reduced between the plurality of second network equipment and port take, effectively realize the flow load balance between the plurality of second network equipment.
Refer to the flow chart that Fig. 6, Fig. 6 are the second embodiments of a kind of link aggregation method that the present invention proposes.As it can be seen, the method in the embodiment of the present invention includes:
S601, the link aggregation between described first network equipment with each described second network equipment, according to the MAC Address of second network equipment in each first message and port information, is become one to set up standby link aggregation group by described first network equipment respectively.
In implementing, all link aggregations between described first network equipment with same second network equipment according to the MAC Address of second network equipment in each first message and port information, can be become one to set up standby link aggregation group by first network equipment.First network equipment can also according to the MAC Address of second network equipment in each first message and port information, it is determined that the port that port speed in each described second network equipment is identical；One is become to set up standby link aggregation group link aggregation corresponding for port identical for the port speed in each described second network equipment.Wherein, described link is the access path set up between the port of described first network equipment and the port of each described second network equipment.Link between described first network equipment and any one second network equipment can be one or more.
Standby link aggregation group is set up by a plurality of physical link corresponding for the port of same port speed is aggregated into one, so first network equipment is when distribution data stream, just can be averaged distribution by data stream between described multilink, the port avoiding port that port speed is high low with port speed has the same actual loading, has saved broadband resource.
Such as: equipment 1 can according to the MAC Address in the first message of equipment 2 transmission and port information, determine the port that equipment 2 middle port speed is identical, if equipment 2 exists 3 ports that port speed is identical, then 3 link aggregations that these 3 ports are set up with 3 ports of equipment 1 are become to set up standby link aggregation group LAG2, when equipment 1 sends data stream to equipment 2, it is possible to set up in standby link aggregation group 3 links between equipment 1 and equipment 2 are shared transmission data stream and makes described 3 links mutually back up.Equipment 1 can according to the MAC Address in the first message of equipment 3 transmission and port information, determine the port that equipment 3 middle port speed is identical, if equipment 3 exists 3 ports that port speed is identical, then 3 link aggregations that these 3 ports are set up with other 3 ports of equipment 1 are become to set up standby link aggregation group LAG3, when equipment 1 sends data stream to equipment 3, it is possible to set up in standby link aggregation group 3 links between equipment 1 and equipment 3 are shared transmission task and makes described 3 links mutually back up.
Additionally, when downstream equipment 1 sends data stream to equipment 1, it is possible to by LAG2, described data stream is sent to equipment 2, so that described stream compression is dealt into upstream device 1 by equipment 2；When downstream equipment 3 sends data stream to equipment 1, it is possible to by LAG3, described data stream is sent to equipment 3, so that described stream compression is dealt into upstream device 3 by equipment 2；When downstream equipment 2 sends data stream to equipment 1, it is possible to shared by data stream load on described LAG2 and LAG3, then described data stream is aggregated to upstream device 2 by equipment 2 and equipment 3.In the present embodiment, do not need between equipment 2 and equipment 3 to set up direct connected link, thus the direct connected link reduced between described equipment 2 and equipment 3 and port take.
It should be noted that above-mentioned multiple second network equipment is not limited to include equipment 2 as shown in Figure 5 and equipment 3, it is also possible to include the equipment of other quantity；3 links included as shown in Figure 5 it are not limited to, it is also possible to include the link of other quantity between first network equipment and each second network equipment.This link aggregation mode is possible not only to be applicable to Ethernet, goes for the network of other forms simultaneously, and described second network equipment can be the upstream devices such as switch, router and server.
S602, when receiving the second message that described purpose equipment sends, records the forward-path of described second message, and wherein, described second message includes the MAC Address of described purpose equipment.
In implementing, at described first network equipment to before described purpose equipment sending data stream, described first network equipment is it is to be appreciated that the MAC Address of described purpose equipment, therefore first described purpose equipment send the second message to ask described data stream at least one in the plurality of second network equipment, when at least one in the plurality of second network equipment receives described second message, described second message is forwarded to first network equipment by the standby link aggregation group that sets up between described first network equipment by least one second network equipment described, now first network equipment record sends at least one second network equipment described in described second message to self.
S603, described first network equipment determines target second network equipment from the plurality of second network equipment, by the standby link aggregation group that sets up between described first network equipment and described target second network equipment, data stream is sent to described target second network equipment, so that described stream compression is dealt into purpose equipment by described target second network equipment.
In implementing, the described first network equipment forward-path according to described second message, from the plurality of second network equipment, determine described target second network equipment.
Such as: as shown in Figure 6, when upstream device 1 obtains the data stream of equipment 1, upstream device 1 sends the MAC Address of upstream device 1 to the equipment 2 being connected with upstream device 1, after equipment 2 receives the MAC Address of upstream device 1, by LAG2, the MAC Address of upstream device 1 is sent to equipment 1, now equipment 1 records LAG2, it is determined that by LAG2, data stream is sent to equipment 2, so that stream compression is dealt into upstream device 1 by equipment 2.When upstream device 2 obtains the data stream of equipment 1, upstream device 2 sends the MAC Address of upstream device 2 simultaneously to the equipment 2 being connected with upstream device 2 and equipment 3, after equipment 2 and equipment 3 receive the MAC Address of upstream device 2, by LAG2 and LAG3, the MAC Address of upstream device 2 can be sent to equipment 1 simultaneously, now equipment 1 records LAG2 and LAG3, determine, by LAG2 and LAG3, data flow point is fitted on equipment 2 and equipment 3, so that stream compression is dealt into upstream device 2 by equipment 2 and equipment 3 jointly.
In embodiments of the present invention, first first network equipment become striding equipment link aggregation group by connecting described first network equipment respectively with the N bar link aggregation of multiple second network equipments；Then pass through the plurality of second network equipment of described N bar chain road direction and send N number of probe messages, so that the plurality of second network equipment sends the first message respectively through first network equipment described in described N bar chain road direction, each probe messages includes MAC Address and the port information of described first network equipment；Secondly receiving N number of first message that the plurality of second network equipment sends respectively, each first message includes the MAC Address and the port information that send second network equipment of described first message；Finally according to MAC Address and the port information of second network equipment in each first message, one is become to set up standby link aggregation group the link aggregation between described first network equipment with each described second network equipment respectively.Thus the direct connected link reduced between the plurality of second network equipment and port take, effectively realize the flow load balance between the plurality of second network equipment.
Refer to the structural representation that Fig. 7, Fig. 7 are a kind of link aggregation devices that the embodiment of the present invention proposes.As it can be seen, the link aggregation device in the embodiment of the present invention includes:
First polymerized unit 701, for becoming striding equipment link aggregation group by connecting first network equipment respectively with the N bar link aggregation of multiple second network equipments.
In implementing, described first network equipment determines that described first network equipment is for connecting N number of port of the plurality of second network equipment, obtains the configuration information of described N number of port；Described first network equipment, according to described configuration information, becomes a striding equipment link aggregation group by connecting the plurality of second N bar link aggregation connecting the plurality of second network equipment by described N number of port.Wherein, described N is the positive integer be more than or equal to 2.
Such as: as it is shown in figure 5, described first network equipment is equipment 1, the plurality of second network equipment includes equipment 2 and equipment 3, purpose equipment can be upstream device 1, or upstream device 2, or upstream device 3.After equipment 1 discovering device 2 and equipment 3 are connected on equipment 1, it is determined that the N number of port (having illustrated 6 in Fig. 5) for connecting equipment 2 and equipment 3 of equipment 1.Then, equipment 1 obtains the configuration information of described 6 ports the configuration information according to described 6 ports, becomes striding equipment link aggregation group LAG1 by connecting equipment 2 by described 6 ports with 6 link aggregations of equipment 3.When downstream equipment 2 sends data stream to equipment 1, it is possible to described data flow point is fitted on the equipment 2 and equipment 3 that are polymerized, thus realizing load balancing.
Packet sending unit 702, for sending N number of probe messages by the plurality of second network equipment of described N bar chain road direction, so that the plurality of second network equipment sends the first message respectively through first network equipment described in described N bar chain road direction, each probe messages includes MAC Address and the port information of described first network equipment.
In implementing, after polymerization obtains described striding equipment link aggregation group, described first network equipment and the plurality of network equipment carry out the exchange of port information.Specifically, described first network equipment sends N number of probe messages to multiple second network equipments connected respectively by described N bar link.Probe messages in each of the links has identical MAC Address and different port informations, and the port information of described probe messages includes the information sending the port of this probe messages.Which so, receive second network equipment of described probe messages to be just able to know that and oneself be port by first network equipment and second network equipment connects.Wherein, described MAC Address can uniquely identify described first network equipment.The port information of each port can include the port-mark of described port, mode of operation (either simplex, duplex) and port speed etc..
Described probe messages sends first message by receiving the port of described probe messages to described first network equipment for making second network equipment receiving described probe messages.
Message receives unit 703, and for receiving N number of first message that the plurality of second network equipment sends, each first message includes the MAC Address and the port information that send second network equipment of described first message.
After the plurality of second network equipment receives N number of probe messages respectively through described N bar link, by receiving N number of port of described N number of probe messages, N number of first message is sent, the port information of MAC Address that each first message includes sending second network equipment of described first message and the port that sends described first message to described first network equipment.For Fig. 5, between equipment 1 and equipment 2 and equipment 3, have 6 links.After these 6 link aggregations are become a striding equipment link aggregation group by equipment 1, send 3 probe messages by the 3 of connection equipment 2 chain road direction equipment 2, send 3 probe messages by the 3 of connection equipment 3 chain road direction equipment 3.After equipment 2 and 3 receives probe messages, each probe messages is responded first message by receiving the port of described probe messages.The first message that equipment 2 sends includes the MAC Address of equipment 2 and the port information of the port sending described first message of equipment 2.The first message that equipment 3 sends includes the MAC Address of equipment 3 and the port information of the port sending described first message of equipment 3.
Second polymerized unit 704, for the MAC Address according to second network equipment in each first message and port information, becomes one to set up standby link aggregation group the link aggregation between described first network equipment with each described second network equipment respectively.
In implementing, all link aggregations between described first network equipment with same second network equipment according to the MAC Address of second network equipment in each first message and port information, can be become one to set up standby link aggregation group by first network equipment.First network equipment can also according to the MAC Address of second network equipment in each first message and port information, it is determined that the port that port speed in each described second network equipment is identical；One is become to set up standby link aggregation group link aggregation corresponding for port identical for the port speed in each described second network equipment.Wherein, described link is the access path set up between the port of described first network equipment and the port of each described second network equipment.Link between described first network equipment and any one second network equipment can be one or more.
Standby link aggregation group is set up by a plurality of physical link corresponding for the port of same port speed is aggregated into one, so first network equipment is when distribution data stream, just can be averaged distribution by data stream between described multilink, the port avoiding port that port speed is high low with port speed has the same actual loading, has saved broadband resource.
Such as: equipment 1 can according to the MAC Address in the first message of equipment 2 transmission and port information, determine the port that equipment 2 middle port speed is identical, if equipment 2 exists 3 ports that port speed is identical, then 3 link aggregations that these 3 ports are set up with 3 ports of equipment 1 are become to set up standby link aggregation group LAG2, when equipment 1 sends data stream to equipment 2, it is possible to set up in standby link aggregation group 3 links between equipment 1 and equipment 2 are shared transmission data stream and makes described 3 links mutually back up.Equipment 1 can according to the MAC Address in the first message of equipment 3 transmission and port information, determine the port that equipment 3 middle port speed is identical, if equipment 3 exists 3 ports that port speed is identical, then 3 link aggregations that these 3 ports are set up with other 3 ports of equipment 1 are become to set up standby link aggregation group LAG3, when equipment 1 sends data stream to equipment 3, it is possible to set up in standby link aggregation group 3 links between equipment 1 and equipment 3 are shared transmission task and makes described 3 links mutually back up.
Additionally, when downstream equipment 1 sends data stream to equipment 1, it is possible to by LAG2, described data stream is sent to equipment 2, so that described stream compression is dealt into upstream device 1 by equipment 2；When downstream equipment 3 sends data stream to equipment 1, it is possible to by LAG3, described data stream is sent to equipment 3, so that described stream compression is dealt into upstream device 3 by equipment 2；When downstream equipment 2 sends data stream to equipment 1, it is possible to shared by data stream load on described LAG2 and LAG3, then described data stream is aggregated to upstream device 2 by equipment 2 and equipment 3.In the present embodiment, do not need between equipment 2 and equipment 3 to set up direct connected link, thus the direct connected link reduced between described equipment 2 and equipment 3 and port take.
It should be noted that above-mentioned multiple second network equipment is not limited to include equipment 2 as shown in Figure 5 and equipment 3, it is also possible to include the equipment of other quantity；3 links included as shown in Figure 5 it are not limited to, it is also possible to include the link of other quantity between first network equipment and each second network equipment.This link aggregation mode is possible not only to be applicable to Ethernet, goes for the network of other forms simultaneously, and described second network equipment can be the upstream devices such as switch, router and server.
Optionally, link aggregation device can further include logging modle and data transmission blocks, wherein:
Logging modle, for when receiving the second message that described purpose equipment sends, recording the forward-path of described second message, wherein, described second message includes the MAC Address of described purpose equipment.
In implementing, at described first network equipment to before described purpose equipment sending data stream, described first network equipment is it is to be appreciated that the MAC Address of described purpose equipment, therefore first described purpose equipment send the second message to ask described data stream at least one in the plurality of second network equipment, when at least one in the plurality of second network equipment receives described second message, described second message is forwarded to first network equipment by the standby link aggregation group that sets up between described first network equipment by least one second network equipment described, now first network equipment record sends at least one second network equipment described in described second message to self.
Data transmission blocks, for determining target second network equipment from the plurality of second network equipment, by the standby link aggregation group that sets up between described first network equipment and described target second network equipment, data stream is sent to described target second network equipment, so that described stream compression is dealt into purpose equipment by described target second network equipment.
In implementing, the described first network equipment forward-path according to described second message, from the plurality of second network equipment, determine described target second network equipment.
Such as: as shown in Figure 6, when upstream device 1 obtains the data stream of equipment 1, upstream device 1 sends the MAC Address of upstream device 1 to the equipment 2 being connected with upstream device 1, after equipment 2 receives the MAC Address of upstream device 1, by LAG2, the MAC Address of upstream device 1 is sent to equipment 1, now equipment 1 records LAG2, it is determined that by LAG2, data stream is sent to equipment 2, so that stream compression is dealt into upstream device 1 by equipment 2.When upstream device 2 obtains the data stream of equipment 1, upstream device 2 sends the MAC Address of upstream device 2 simultaneously to the equipment 2 being connected with upstream device 2 and equipment 3, after equipment 2 and equipment 3 receive the MAC Address of upstream device 2, by LAG2 and LAG3, the MAC Address of upstream device 2 can be sent to equipment 1 simultaneously, now equipment 1 records LAG2 and LAG3, determine, by LAG2 and LAG3, data flow point is fitted on equipment 2 and equipment 3, so that stream compression is dealt into upstream device 2 by equipment 2 and equipment 3 jointly.
In embodiments of the present invention, first first network equipment become striding equipment link aggregation group by connecting described first network equipment respectively with the N bar link aggregation of multiple second network equipments；Then pass through the plurality of second network equipment of described N bar chain road direction and send N number of probe messages, so that the plurality of second network equipment sends the first message respectively through first network equipment described in described N bar chain road direction, each probe messages includes MAC Address and the port information of described first network equipment；Secondly receiving N number of first message that the plurality of second network equipment sends respectively, each first message includes the MAC Address and the port information that send second network equipment of described first message；Finally according to MAC Address and the port information of second network equipment in each first message, one is become to set up standby link aggregation group the link aggregation between described first network equipment with each described second network equipment respectively.Thus the direct connected link reduced between the plurality of second network equipment and port take, effectively realize the flow load balance between the plurality of second network equipment.
Fig. 8 is the structural representation of the another kind of link aggregation device that the embodiment of the present invention proposes.As it can be seen, this device may include that at least one processor 801, for instance CPU, at least one receptor 803, at least one memorizer 804, at least one transmitter 805, at least one communication bus 802.Wherein, communication bus 802 is for realizing the connection communication between these assemblies.Wherein, in the embodiment of the present invention, the receptor 803 of device and transmitter 805 can be wired transmission ports, it is also possible to for wireless device, for instance include antenna assembly, for carrying out the communication of signaling or data with other second network equipments.Memorizer 804 can be high-speed RAM memorizer, it is also possible to be non-labile memorizer (non-volatilememory), for instance at least one disk memory.Memorizer 804 optionally can also is that at least one is located remotely from the storage device of aforementioned processor 801.Memorizer 804 stores batch processing code, and processor 801 is for calling the program code of storage in memorizer, is used for performing following operation:
Striding equipment link aggregation group is become with the N bar link aggregation of multiple second network equipments by connecting described first network equipment respectively；
N number of probe messages is sent by the plurality of second network equipment of described N bar chain road direction, so that the plurality of second network equipment sends the first message respectively through first network equipment described in described N bar chain road direction, each probe messages includes MAC Address and the port information of described first network equipment；
Receiving N number of first message that the plurality of second network equipment sends, each first message includes the MAC Address and the port information that send second network equipment of described first message；
MAC Address according to second network equipment in each first message and port information, become one to set up standby link aggregation group the link aggregation between described first network equipment with each described second network equipment respectively；
Wherein, described N is the positive integer be more than or equal to 2.
It should be noted that, for each embodiment of the method aforesaid, in order to be briefly described, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, certain some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, embodiment described in this description belongs to preferred embodiment, necessary to involved action and the module not necessarily present invention.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, the part being not described in certain embodiment, it is possible to referring to the associated description of other embodiments.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment can be by the hardware that program carrys out instruction relevant and completes, this program can be stored in a computer-readable recording medium, storage medium may include that flash disk, read only memory are (English: Read-OnlyMemory, be called for short: ROM), random access device (English: RandomAccessMemory, RAM), disk or CD etc. be called for short:.
The content download method above embodiment of the present invention provided and relevant device, system are described in detail, principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, all will change in specific embodiments and applications, in sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. a link aggregation method, it is characterised in that described method includes:
First network equipment becomes striding equipment link aggregation group by connecting described first network equipment respectively with the N bar link aggregation of multiple second network equipments；
Described first network equipment sends N number of probe messages by the plurality of second network equipment of described N bar chain road direction, so that the plurality of second network equipment sends the first message respectively through first network equipment described in described N bar chain road direction, each probe messages includes MAC Address and the port information of described first network equipment；
Described first network equipment receives N number of first message that the plurality of second network equipment sends, and each first message includes the MAC Address and the port information that send second network equipment of described first message；
Link aggregation between described first network equipment with each described second network equipment, according to the MAC Address of second network equipment in each first message and port information, is become one to set up standby link aggregation group by described first network equipment respectively；
Wherein, described N is the positive integer be more than or equal to 2.
2. as claimed in claim 1 method, it is characterised in that described become striding equipment link aggregation group to include connecting described first network equipment respectively with the N bar link aggregation of multiple second network equipments:
Described first network equipment determines that described first network equipment is for connecting N number of port of the plurality of second network equipment；
Described first network equipment obtains the configuration information of described N number of port；
The described N bar link aggregation being connected the plurality of second network equipment by described N number of port, according to described configuration information, is become described striding equipment link aggregation group by described first network equipment.
3. method as claimed in claim 1, it is characterized in that, described port information includes port and port speed, the described MAC Address according to second network equipment in each first message and port information, become one to set up standby link aggregation group the link aggregation between described first network equipment with each described second network equipment respectively and include:
MAC Address according to each described second network equipment and port information, it is determined that the port that port speed in each described second network equipment is identical；
Link corresponding for port identical for port speed in each described second network equipment is aggregated into one and sets up standby link aggregation group.
4. method as described in any one in claim 1-3, it is characterized in that, the described MAC Address according to second network equipment in each first message and port information, after becoming one to set up standby link aggregation group the link aggregation between described first network equipment with each described second network equipment respectively, described method also includes:
Described first network equipment determines target second network equipment from the plurality of second network equipment, by the standby link aggregation group that sets up between described first network equipment and described target second network equipment, data stream is sent to described target second network equipment, so that described stream compression is dealt into purpose equipment by described target second network equipment.
5. method as claimed in claim 4, it is characterized in that, described from the plurality of second network equipment, determine target second network equipment, by the standby link aggregation group that sets up between described first network equipment and described target second network equipment, data stream is sent to described target second network equipment, so that before described stream compression is dealt into purpose equipment by described target second network equipment, described method also includes:
When receiving the second message that described purpose equipment sends, recording the forward-path of described second message, wherein, described second message includes the MAC Address of described purpose equipment；
Described first network equipment determines that target second network equipment specifically includes from the plurality of second network equipment: the described first network equipment forward-path according to described second message, determines described target second network equipment from the plurality of second network equipment.
6. a link aggregation device, it is characterised in that described device includes:
First polymerized unit, for becoming striding equipment link aggregation group by connecting first network equipment respectively with the N bar link aggregation of multiple second network equipments；
Packet sending unit, for sending N number of probe messages by the plurality of second network equipment of described N bar chain road direction, so that the plurality of second network equipment sends the first message respectively through first network equipment described in described N bar chain road direction, each probe messages includes MAC Address and the port information of described first network equipment；
Message receives unit, and for receiving N number of first message that the plurality of second network equipment sends, each first message includes the MAC Address and the port information that send second network equipment of described first message；
Second polymerized unit, for the MAC Address according to second network equipment in each first message and port information, becomes one to set up standby link aggregation group the link aggregation between described first network equipment with each described second network equipment respectively；
Wherein, described N is the positive integer be more than or equal to 2.
7. device as claimed in claim 6, it is characterised in that described first polymerized unit specifically for:
Determine that described first network equipment is for connecting N number of port of the plurality of second network equipment；
Obtain the configuration information of described N number of port；And
According to described configuration information, the described N bar link aggregation being connected the plurality of second network equipment by described N number of port is become in described striding equipment link aggregation group.
8. device as claimed in claim 6, it is characterised in that described port information includes port and port speed, described second polymerized unit specifically for:
MAC Address according to each described second network equipment and port information, it is determined that the port that port speed in each described second network equipment is identical；And
One is become to set up standby link aggregation group link aggregation corresponding for port identical for the port speed in each described second network equipment.
9. device as described in any one in claim 6-8, it is characterised in that described device also includes:
Data transmission blocks, for determining target second network equipment from the plurality of second network equipment, by the standby link aggregation group that sets up between described first network equipment and described target second network equipment, data stream is sent to described target second network equipment, so that described stream compression is dealt into purpose equipment by described target second network equipment.
10. device as claimed in claim 9, it is characterised in that described device also includes:
Logging modle, for when receiving the second message that described purpose equipment sends, recording the forward-path of described second message, wherein, described second message includes the MAC Address of described purpose equipment；
When determining target second network equipment from the plurality of second network equipment, described data transmission blocks, specifically for the forward-path according to described second message, determines described target second network equipment from the plurality of second network equipment.
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